High Beam Indicator Always On. Chevrolet PJJ 2000

For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | Go to A Diagnostic System Check - Lighting Systems
2 | Test the high beam signal circuit between the body control module and the inverter module for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | System OK | Go to Step 3

3

1. Disconnect the BCM connector C2.
2. Turn the high beam headlamps on.
3. Backprobe the inverter module to test for ground at terminal E (Do not disconnect the inverter module). Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Is ground present at the terminal?

Go to Step 4

Go to Step 5

4 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Important: Perform the setup procedure for the BCM. Refer to BCM Programming/RPO Configuration in Body Control System. Did you complete the replacement? | Go to Step 6 | --
5 | Replace the inverter module. Did you complete the replacement? | Go to Step 6 | --
6 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2